| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Average Max. Temperature (F) | 25.2 | 29.8 | 40.2 | 50.4 | 60.6 | 71.5 | 80.7 | 79.0 | 68.1 | 54.5 | 37.1 | 26.2 | 52.1 |
| Average Min. Temperature (F) | -2.6 | 1.8 | 13.3 | 21.0 | 30.0 | 38.0 | 44.0 | 42.0 | 32.4 | 21.4 | 9.9 | -1.3 | 20.9 |
| Average Total Precipitation (in.) | 0.27 | 0.29 | 0.44 | 0.81 | 1.23 | 0.76 | 0.63 | 0.77 | 0.91 | 0.62 | 0.41 | 0.28 | 7.43 |